68 lines
1.5 KiB
Go
68 lines
1.5 KiB
Go
package okexapi
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import (
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"context"
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"encoding/json"
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"net/url"
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"git.qtrade.icu/lychiyu/qbtrade/pkg/fixedpoint"
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"git.qtrade.icu/lychiyu/qbtrade/pkg/types"
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"github.com/pkg/errors"
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)
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func (s *RestClient) NewGetFundingRate() *GetFundingRateRequest {
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return &GetFundingRateRequest{
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client: s,
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}
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}
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type FundingRate struct {
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InstrumentType string `json:"instType"`
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InstrumentID string `json:"instId"`
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FundingRate fixedpoint.Value `json:"fundingRate"`
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NextFundingRate fixedpoint.Value `json:"nextFundingRate"`
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FundingTime types.MillisecondTimestamp `json:"fundingTime"`
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}
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type GetFundingRateRequest struct {
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client *RestClient
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instId string
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}
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func (r *GetFundingRateRequest) InstrumentID(instId string) *GetFundingRateRequest {
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r.instId = instId
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return r
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}
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func (r *GetFundingRateRequest) Do(ctx context.Context) (*FundingRate, error) {
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// SPOT, SWAP, FUTURES, OPTION
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var params = url.Values{}
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params.Add("instId", string(r.instId))
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req, err := r.client.NewRequest(ctx, "GET", "/api/v5/public/funding-rate", params, nil)
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if err != nil {
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return nil, err
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}
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response, err := r.client.SendRequest(req)
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if err != nil {
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return nil, err
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}
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var apiResponse APIResponse
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if err := response.DecodeJSON(&apiResponse); err != nil {
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return nil, err
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}
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var data []FundingRate
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if err := json.Unmarshal(apiResponse.Data, &data); err != nil {
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return nil, err
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}
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if len(data) == 0 {
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return nil, errors.New("empty funding rate data")
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}
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return &data[0], nil
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}
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